Metal parts and plastic parts are often bonded in applications such as toys, machine components, and electronic components. Generally, for bonding metal to plastic, three main requirements for the adhesive are:

1. Quick-drying; operating with quick-drying glue is more convenient and can enhance production efficiency.

2. No discoloration, as it may affect the product's appearance.

3. Eco-friendly, these products are generally used for everyday items.